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25985cb764
...and repurpose "SC" for (C)lang-importer-synthesized decls, instead of just decls that are C-like instead of ObjC-like. (See next commits.)
90 lines
4.6 KiB
Plaintext
90 lines
4.6 KiB
Plaintext
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) %s -emit-ir | %FileCheck %s
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// REQUIRES: objc_interop
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sil_stage canonical
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import Swift
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import Foundation
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import objc_generics
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// CHECK-LABEL: @"OBJC_METACLASS_$__TtC27objc_generic_class_metadata8Subclass" = hidden global %objc_class
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// CHECK: %objc_class* @"OBJC_METACLASS_$_NSObject"
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// CHECK: %objc_class* @"OBJC_METACLASS_$_GenericClass"
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// CHECK-LABEL: @_T027objc_generic_class_metadata8SubclassCMf = internal global
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// CHECK: %objc_class* @"OBJC_METACLASS_$__TtC27objc_generic_class_metadata8Subclass"
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// CHECK: %objc_class* @"OBJC_CLASS_$_GenericClass"
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class Subclass: GenericClass<NSString> {}
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sil_vtable Subclass {}
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sil @metatype_sink : $@convention(thin) <T> (@thick T.Type) -> ()
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sil @objc_class_sink : $@convention(thin) <T: AnyObject> (@objc_metatype T.Type) -> ()
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// CHECK-LABEL: define swiftcc void @objc_generic_class_metatypes()
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sil @objc_generic_class_metatypes : $@convention(thin) () -> () {
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entry:
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%z = function_ref @metatype_sink : $@convention(thin) <T> (@thick T.Type) -> ()
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%y = function_ref @objc_class_sink : $@convention(thin) <T: AnyObject> (@objc_metatype T.Type) -> ()
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// All instances of the generic ObjC class are erased to the same metadata
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// at runtime.
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// CHECK: [[METADATA:%.*]] = call %swift.type* @_T0So12GenericClassCMa()
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%a = metatype $@thick GenericClass<NSString>.Type
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// CHECK: call swiftcc void @metatype_sink(%swift.type* [[METADATA]], %swift.type* [[METADATA]])
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apply %z<GenericClass<NSString>>(%a) : $@convention(thin) <T> (@thick T.Type) -> ()
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// CHECK: call swiftcc void @metatype_sink(%swift.type* [[METADATA]], %swift.type* [[METADATA]])
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%b = metatype $@thick GenericClass<NSObject>.Type
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apply %z<GenericClass<NSObject>>(%b) : $@convention(thin) <T> (@thick T.Type) -> ()
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// CHECK: [[T0:%.*]] = load %objc_class*, %objc_class** @"OBJC_CLASS_REF_$_GenericClass",
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// CHECK: [[OBJC_CLASS:%.*]] = call %objc_class* @swift_rt_swift_getInitializedObjCClass(%objc_class* [[T0]])
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// CHECK: call swiftcc void @objc_class_sink(%objc_class* [[OBJC_CLASS]], %swift.type* [[METADATA]])
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%c = metatype $@objc_metatype GenericClass<NSString>.Type
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apply %y<GenericClass<NSString>>(%c) : $@convention(thin) <T: AnyObject> (@objc_metatype T.Type) -> ()
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// Check that generic classes are erased at depth.
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// CHECK: [[TUPLE_METADATA:%.*]] = call %swift.type* @_T0SaySo12GenericClassC_SitGMa()
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%d = metatype $@thick Array<(GenericClass<NSString>, Int)>.Type
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// CHECK: call swiftcc void @metatype_sink(%swift.type* [[TUPLE_METADATA]], %swift.type* [[TUPLE_METADATA]])
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apply %z<Array<(GenericClass<NSString>, Int)>>(%d) : $@convention(thin) <T> (@thick T.Type) -> ()
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%e = metatype $@thick Array<(GenericClass<NSObject>, Int)>.Type
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// CHECK: call swiftcc void @metatype_sink(%swift.type* [[TUPLE_METADATA]], %swift.type* [[TUPLE_METADATA]])
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apply %z<Array<(GenericClass<NSObject>, Int)>>(%e) : $@convention(thin) <T> (@thick T.Type) -> ()
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return undef : $()
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}
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sil @_T027objc_generic_class_metadata8SubclassCSQyACGSQySo8NSStringCG5thing_tcfcTo : $@convention(objc_method) (Optional<NSString>, @owned Subclass) -> @owned Optional<Subclass> {
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entry(%0: $Optional<NSString>, %1: $Subclass):
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unreachable
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}
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sil @_T027objc_generic_class_metadata8SubclassCSQyACGSaySo8NSStringCG13arrayOfThings_tcfcTo : $@convention(objc_method) (NSArray, @owned Subclass) -> @owned Optional<Subclass> {
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entry(%0: $NSArray, %1: $Subclass):
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unreachable
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}
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sil @_T027objc_generic_class_metadata8SubclassCACycfcTo : $@convention(objc_method) (@owned Subclass) -> @owned Subclass {
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entry(%0: $Subclass):
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unreachable
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}
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sil @_T027objc_generic_class_metadata8SubclassCSQyACGs10DictionaryVySo13GenericOptionVypGSg7options_tcfcTo : $@convention(objc_method) (@owned Subclass, @owned NSDictionary) -> @owned Subclass {
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entry(%0: $Subclass, %1: $NSDictionary):
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unreachable
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}
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// CHECK-LABEL: define linkonce_odr hidden %swift.type* @_T0So12GenericClassCMa()
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// CHECK: [[T0:%.*]] = load %objc_class*, %objc_class** @"OBJC_CLASS_REF_$_GenericClass",
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// CHECK: call %objc_class* @swift_rt_swift_getInitializedObjCClass(%objc_class* [[T0]])
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// CHECK-LABEL: define linkonce_odr hidden %swift.type* @_T0SaySo12GenericClassC_SitGMa()
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// CHECK: [[TUPLE:%.*]] = call %swift.type* @_T0So12GenericClassC_SitMa()
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// CHECK: call %swift.type* @_T0SaMa(%swift.type* [[TUPLE]])
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// CHECK-LABEL: define linkonce_odr hidden %swift.type* @_T0So12GenericClassC_SitMa()
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// CHECK: [[CLASS:%.*]] = call %swift.type* @_T0So12GenericClassCMa()
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// CHECK: call %swift.type* @swift_getTupleTypeMetadata2(%swift.type* [[CLASS]], %swift.type* @_T0SiN,
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